WO2021128756A1 - 双层直线交叉带分拣系统 - Google Patents

双层直线交叉带分拣系统 Download PDF

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Publication number
WO2021128756A1
WO2021128756A1 PCT/CN2020/095701 CN2020095701W WO2021128756A1 WO 2021128756 A1 WO2021128756 A1 WO 2021128756A1 CN 2020095701 W CN2020095701 W CN 2020095701W WO 2021128756 A1 WO2021128756 A1 WO 2021128756A1
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WO
WIPO (PCT)
Prior art keywords
sorting
disc assembly
loop
layer
assembly
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PCT/CN2020/095701
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English (en)
French (fr)
Inventor
肖金飞
唐兵
樊敏
黄春阳
姚小芬
Original Assignee
科捷智能装备有限公司
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Application filed by 科捷智能装备有限公司 filed Critical 科捷智能装备有限公司
Priority to US17/780,539 priority Critical patent/US11975362B2/en
Priority to EP20905707.4A priority patent/EP4049766B1/en
Priority to KR1020227013769A priority patent/KR102713689B1/ko
Publication of WO2021128756A1 publication Critical patent/WO2021128756A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination
    • B07C3/02—Apparatus characterised by the means used for distribution
    • B07C3/06—Linear sorting machines in which articles are removed from a stream at selected points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination
    • B07C3/02—Apparatus characterised by the means used for distribution
    • B07C3/08—Apparatus characterised by the means used for distribution using arrangements of conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/32—Individual load-carriers
    • B65G17/34—Individual load-carriers having flat surfaces, e.g. platforms, grids, forks
    • B65G17/345—Individual load-carriers having flat surfaces, e.g. platforms, grids, forks the surfaces being equipped with a conveyor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/02—Belt- or chain-engaging elements
    • B65G23/04—Drums, rollers, or wheels
    • B65G23/06—Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/44—Belt or chain tensioning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/34—Devices for discharging articles or materials from conveyor 
    • B65G47/46—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/94—Devices for flexing or tilting travelling structures; Throw-off carriages
    • B65G47/96—Devices for tilting links or platform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/30—Modular constructions

Definitions

  • the invention relates to a new-designed cross-belt sorting device, in particular to a double-layer straight-line cross-belt sorting system, which belongs to the field of logistics sorting.
  • the logistics sorting operation site of the e-commerce and express delivery industry usually uses horizontal circular cross belt sorting equipment for cargo sorting operations.
  • the horizontal circular cross-belt sorting system generally occupies a large space, and the space is limited, and when the horizontal circular cross-belt sorting system cannot be designed, it needs to be designed as a vertical circular cross-belt sorting system.
  • the existing vertical cross-belt sorting system has high requirements for site space, and the structure of the sorting equipment and the way of conveying goods need to be greatly changed. Therefore, the existing straight cross-belt system with vertical loop design is a single-layer sorting system, which is difficult to meet the requirements of use. Moreover, the movement of the trolley requires a linear motor to move tangentially to the secondary board to generate a magnetic field and drive the trolley to run along the loop. The alignment and installation accuracy of the secondary board is required to be high, the installation is difficult, and the maintenance cost is high.
  • the double-layer straight-line cross-belt sorting system of the present invention aims to solve the problems existing in the prior art and proposes a new double-layer straight-line cross-belt sorting system.
  • Small items or parcels first enter the feeding area and then The trolley enters the sorting loop from the feeding device, so as to realize the control method of simultaneous feeding and automatic sorting of the upper and lower layers.
  • the overall system sorting is more accurate, and the equipment assembly and maintenance of lightweight and modularization are achieved.
  • Another design objective is to improve the vertical cross-belt sorting efficiency and further reduce the requirements for site space.
  • the double-layer straight cross-belt sorting system includes a feeding table, a sorting loop, a platform, a grid chute and a scanning device.
  • the sorting loop line is a closed loop, double-layer linear conveying structure along the vertical direction, and includes a number of sorting trolleys connected along a single group of rows, which are passed by curved rails at both ends and upper and lower straight rails.
  • the driving part and the tensioning part constitute the transmission structure of the sorting loop and are located at both ends of the loop;
  • the driving part has a winding and transmission from the same side end
  • the tensioning member has a first driven disc assembly and a second driven disc assembly that wind and drive the two sets of synchronous belts from the same side end
  • the first active disc assembly is arranged in a staggered arrangement with the curved track on the same side, and the vertical center of the first active disc assembly coincides with the center of the vertical circle where the curved track on the other side of the sorting cart is located; the second active disc assembly is aligned with the curved track on the same side.
  • the curved rails are arranged in a staggered manner, and the vertical circle center of the second driving disc assembly coincides with the vertical circle center of the curved rail on the other side of the sorting trolley;
  • the first driven disc assembly is arranged in a staggered arrangement with the curved track on the same side, and the vertical center of the first driven disc assembly coincides with the center of the vertical circle where the curved track on the other side of the sorting trolley is located; the second driven disc assembly is aligned with the vertical circle on the other side of the sorting trolley.
  • the curved rails on the same side are arranged in a staggered arrangement, and the vertical center of the second driven disc assembly coincides with the center of the vertical circle where the curved rail on the other side of the sorting trolley is located.
  • the system has realized modular design and assembly as a whole, and the frame has a high load-bearing strength, which is conducive to equipment maintenance and production overhaul;
  • the sorting trolley used in this application relies on the timing belt of the loop to drive the running wheel assembly, thereby driving the entire vehicle to run. It does not need to be equipped with linear motors and secondary boards, which effectively reduces installation difficulty and saves costs to a large extent.
  • Figure 1 is a schematic diagram of the overall structure of the double-layer straight cross belt sorting system
  • Fig. 2 is a schematic diagram of the structure of the driving component
  • FIG. 3 is a schematic diagram of the structure of the first active disk assembly
  • Figure 4 is a schematic diagram of the matching structure of the timing belt and the disc assembly
  • Figure 5 is a schematic diagram of the structure of the tensioning component
  • Figure 6 is a schematic diagram of the structure of the sorting trolley
  • Figure 7 is a schematic diagram of the structure of the lower frame assembly of the trolley.
  • Figure 8 is a schematic diagram of the synchronous belt structure
  • Figure 11 is a schematic diagram of the overall conveying operation mechanism of the sorting loop.
  • the double-layer straight cross-belt sorting system of the present application includes a feeding table 1, a sorting loop 2, a platform 3, a grid chute 4, and a scanning device 5.
  • the small piece or package first enters the feeding table 1 in the feeding area, and then enters the sorting trolley 6 of the sorting loop 2 from the feeding table 1, and the control system matches the parcel to the designated slot, and it is automatically completed Sorting action.
  • the platform 3 is a frame structure used to support the overall system. It is matched with the sorting loop 2 that the platform 3 is designed as a multi-layer structure.
  • the sorting loop 2 is a closed loop, double-layer linear conveying structure along the vertical direction, and it is equipped with a scanning device to take pictures, identify the barcode information of the goods, and feed it back to the PLC control system
  • the sorting loop 2 includes a number of sorting trolleys 6 connected along a single set of queues, two sets of double-layer rails connected by two curved rails 9 at both ends and two upper and lower straight rails 8 through mutual internal welding, and a central support Frame 7, left support frame 10, right support frame 11, driving part 12 and tensioning part 13;
  • the middle support frame 7, the left support frame 10, and the right support frame 11 are all double-layered structures, and the bottoms are respectively connected with the anchor fixing parts by bolts to adjust the alignment of the straight rail 8 and the curved rail 9 after installation, and Provide installation support points for the upper and lower tracks.
  • the driving part 12 and the tensioning part 13 constitute the transmission structure of the sorting loop 2 and are respectively located at both ends of the loop.
  • the first sprocket 15 of the driving component 12 is connected with the output shaft of the motor 14.
  • the motor 14 rotates, the first sprocket 15 is driven to rotate; the first sprocket 15 passes through the first chain 16 Connected with the second sprocket 17, the rotation of the first sprocket 15 drives the rotation of the second sprocket 17;
  • the third sprocket 19 is connected to the fifth sprocket 23 through the second chain 22.
  • the fifth sprocket 23 rotates along with it; at the same time, the other one is fixed at one end of the first drive shaft 18
  • the second sprocket 17 is connected to the fourth sprocket 21 through the third chain 20, so the rotation of the second sprocket 17 will drive the fourth sprocket 21 to rotate;
  • the first active disc assembly 25 and the second active disc assembly 27 have the same structure, but they are both new designs. specifically,
  • the driving component 12 described above takes the form of chain transmission, and accordingly a tensioning mechanism is installed on the middle support frame 7 for adjusting the tension of the chain.
  • the first tensioning shaft 35 of the tensioning component 13 is fixed to the right support frame 11 through the first bearing seat 34 and the second bearing seat 36, and the first driven disc assembly 37 is connected to The first tightening shaft 35 is connected.
  • the structure of the first driven disc assembly 37 is the same as the structure of the first driving disc assembly 25, both of which are formed by two fixed circular plates at a certain pitch and move in a tooth shape with the synchronous belt.
  • the second tensioning shaft 39 is fixed on the right support frame 11 through the third bearing seat 38 and the fourth bearing seat 40, and the second driven disc assembly 38 is connected to the second tensioning shaft 39;
  • the structures of the first driven disc assembly 37 and the second driven disc assembly 38 are the same as the structure of the first driving disc assembly 25, and both are formed by two fixed circular plates at a certain pitch, and move in coordination with the tooth shape of the timing belt 33 .
  • the first driving disc assembly 25 of the driving part 12 and the first driven disc assembly 37 of the tensioning part 13 are connected by an annular closed timing belt 33 to form the overall movement mechanism of the sorting loop 2;
  • the second driving disc assembly 27 of the part 12 and the second driven disc assembly 38 of the tensioning part 13 pass through the timing belt 33 closed in an annular shape on the other side to form an auxiliary operation mechanism of the sorting loop 2 as a whole, thereby sorting
  • the complete transmission mechanism of Loop 2 is formed.
  • the tooth groove 501 of the timing belt 33 is composed of the bolt 31 of the disc assembly and the nylon spacer 32.
  • the pin assembly 45 cooperates.
  • the tooth groove 501 of the timing belt 33 will jam the pin assembly 45, and the pin assembly 45 will gradually match the tooth groove 501 of the timing belt 33 along the movement path, and the timing belt 33 can be driven synchronously. Run forward.
  • the tooth groove 501 of the timing belt 33 is also matched with the disc assembly of the first driven disc assembly 37.
  • the timing belt 33 reciprocates from one end of the sorting loop 2 to the other under the common drive of the two.
  • Several sorting trolleys 6 are respectively and fixedly connected to the timing belt 33 through the shaft hole 205 in order, so that the synchronous operation of the sorting trolley 6 driven by the timing belt 33 is realized.
  • the sorting trolley 6 adopts a modular overall structure design and is divided into two parts, an upper conveying unit 100 and a lower frame assembly 200.
  • the overall structure of the sorting trolley 6 is a modular design, the upper and lower structure is simple and compact, the overall is light, the installation saves time and effort, and the maintenance is convenient.
  • the upper conveying unit 100 is fixedly connected to the two sets of frame profile members 612 of the lower frame assembly 200 through the bent side plates 61 and multiple sets of T-bolts on both sides; the bent side plates 61 are integrally bent parts at both ends, The upper bending size is smaller, and the lower bending size is larger.
  • the lower frame assembly 200 mainly includes two sets of left and right frames 610, two sets of running wheel assemblies 611, two sets of frame profile members 612, and two sets of guide running wheel assemblies 613.
  • a groove 201 is provided on each side of the frame profile 612, and the groove 201 is connected to the bottom of the bent side plate 61 by a fastener;
  • Two sets of frames 610 and two sets of frame profiles 612 are respectively fixed by bolts to form a whole frame.
  • Two sets of guide running wheel assemblies 613 are distributed symmetrically along the whole frame, and a running wheel shaft 614 is connected to the guide running wheel assembly 613.
  • a set of running wheel assemblies 611 and a set of guide running wheel assemblies 613 are connected to each frame 10.
  • the frame 610 has a U-shaped profile structure, and two sets of guide wheels are welded at the bottom to ensure that the sorting trolley 6 runs smoothly on the guide surface of the track.
  • the traveling wheel shaft 614 is inserted into the pin hole 205 of the timing belt 33 of the loop line, and the two are assembled together to form the trolley loop line. This ensures that the sorting trolley 6 can run synchronously with the synchronous belt 33 forming the loop of the left and right two groups.
  • this application adopts a design of misalignment between the curved rail 9 and the center of the disc.
  • the first active disc assembly 25 is arranged in a staggered arrangement with the curved rail 9 on the same side, and at the same time, the vertical center of the first active disc assembly 25 is aligned with the curved track on the other side of the sorting trolley 6 (the side where the second active disc assembly 27 is located).
  • the center of the vertical circle where 9 is located coincides;
  • the second drive disc assembly 27 is arranged in a staggered arrangement with the curved rail 9 on the same side, and the vertical center of the second drive disc assembly 27 is aligned with the other side of the sorting trolley 6 (the first drive disc assembly 25 at the side) the center of the vertical circle where the curved rail 9 is located coincides.
  • the first driven disc assembly 37 is arranged in a staggered arrangement with the curved rail 9 on the same side, and the vertical center of the first driven disc assembly 37 is aligned with the other side of the sorting trolley 6 (the second driven disc assembly 38 )
  • the center of the vertical circle where the curved rail 9 is located coincides;
  • the second driven disk assembly 38 is arranged in a staggered arrangement with the curved rail 9 on the same side, and the vertical center of the second driven disk assembly 38 is on the other side of the sorting trolley 6 (
  • the ends are cut corners to avoid interference with the disc assembly.
  • One side of the straight track 8 is disconnected from the curved track 9, and the other side of the straight track 8 is butted with the curved track 9 .
  • the guide running wheel assemblies 613 of the sorting trolley 6 are separated and staggered on both sides of the lower frame assembly 200 (in a horizontal center symmetry), and the running wheel shaft 614 is connected to the timing belt 33.
  • the running wheel assembly 611 on one side of the trolley 6 transitions from the straight track 8 to the curved track 9, while the running wheel assembly 611 on the other side is still on the straight track 8. on.
  • the sorting trolley 6 Due to the misalignment design between the curved rail 9 and the center of the disc, it is ensured that from the straight rail 8 to the curved rail 9, and then from the curved rail 9 to the straight rail 8 at the lower level, the sorting trolley 6 is always in a horizontal state, thus realizing up and down. Feeding and sorting of layered goods.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge Of Articles From Conveyors (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Abstract

一种双层直线交叉带分拣系统，包括有供件台（1）、分拣环线（2）、平台（3）、格口滑槽（4）和扫描装置（5）。分拣环线沿垂向呈封闭环型、双层直线输送结构，并包括有若干个沿单组队列连接的分拣小车（6）、由两端弯轨（9）和上下两层直轨道（8）通过相互内部焊接连接而成的两组双层轨道、以及驱动部件（12）和张紧部件（13）；驱动部件和张紧部件构成分拣环线的传动结构且分别位于环线两端；沿单组队列分拣小车两侧分布的双层轨道、以及驱动部件与张紧部件之间连接的同步带，共同构成了分拣环线的垂向、双层直线、闭环的输送机构。小件或包裹先进入供件区域再从供件装置进入分拣环线的小车，实现上层和下层同时供件与自动分拣，整体系统分拣更加精准、达到轻量化与模块化的设备组装与维护。

Description

双层直线交叉带分拣系统 技术领域
本发明涉及新型设计的交叉带分拣装置，具体地是一种双层直线交叉带分拣系统，属于物流分拣领域。
背景技术
目前电商与快递行业的物流分拣作业场地，通常选用的是水平环形交叉带分拣设备进行货物分拣操作。而水平环形交叉带分拣系统一般占地空间大，对于场地空间有限，而又无法设计水平环形交叉带分拣系统时，则需要设计成垂直方向的环形交叉带分拣系统。
现有的垂直交叉带分拣系统对于场地空间要求较高、而且分拣设备的结构与货物输送方式均需有较大的改变。因此现有垂直环线设计的直线交叉带系统是单层分拣系统，难以满足使用要求。而且，小车运动需要通过直线电机与次级板相切运动以产生磁场、推动小车沿环线运行，对次级板的对中安装精度要求较高，安装困难，维护成本高。
有鉴于此，特提出本申请。
发明内容
本发明所述的双层直线交叉带分拣系统，其目的在于解决现有技术存在的问题而提出了一种全新的双层直线交叉带分拣系统，小件或包裹先进入供件区域再从供件装置进入分拣环线的小车，从而实现上层和下层同时供件与自动分拣的控制方法，整体系统分拣更加精准、达到轻量化与模块化的设备组装与维护。
另一设计目的还在于，提高垂直方向的交叉带分拣效率，进一步地降低对于场地空间的要求。
为实现上述设计目的，所述的双层直线交叉带分拣系统，包括有供件台、分拣环线、平台、格口滑槽和扫描装置。
其中，所述的分拣环线沿垂向呈封闭环型、双层直线输送结构，并包括有若干个沿单组队列连接的分拣小车、由两端弯轨和上下两层直轨道通过相互内部焊接连接而成的两组双层轨道、以及驱动部件和张紧部件；
驱动部件和张紧部件构成分拣环线的传动结构且分别位于环线两端；
沿单组队列分拣小车两侧分布的双层轨道、以及驱动部件与张紧部件之间连接的同步带，共同构成了分拣环线的垂向、双层直线、闭环的输送机构。
进一步地，为实现并提高分拣小车始终处于水平输送状态，以实现上下层货物的供件和分拣，可采取的优选与改进设计是：所述的驱动部件具有从同一侧端缠绕并传动两组同步带的第一主动盘组件和第二主动盘组件；所述的张紧部件具有从同一侧端缠绕并传动两组同步带的第一从动盘组件和第二从动盘组件；
第一主动盘组件与同侧的弯轨错位排列，同时第一主动盘组件的垂向圆心与分拣小车另一侧弯轨所在垂向圆的圆心重合；第二主动盘组件与同侧的弯轨错位排列，同时第二主动盘组件的垂向圆心与分拣小车另一侧弯轨所在垂向圆的圆心重合；
第一从动盘组件与同侧的弯轨错位排列，同时第一从动盘组件的垂向圆心与分拣小车另一侧弯轨所在垂向圆的圆心重合；第二从动盘组件与同侧的弯轨错位排列，同时第二从动盘组件的垂向圆心与分拣小车另一侧弯轨所在垂向圆的圆心重合。
综上内容，本申请所述双层直线交叉带分拣系统具有的优点是：
1、系统整体实现了模块化设计与组装，框架承载强度较高、有利于设备维护与生产检修；
2、实现了上层和下层同时供件与分拣的分拣环线设计与控制方法，整体系统分拣更加精准、分拣效率较高；
3、有效地提高系统整体的设计可扩展性，为后续进一步改进提供良好接口与基础。
4、本申请使用的分拣小车，依靠环线的同步带带动走行轮组件，从而带动整车运行，无需配置使用直线电机和次级板，有效降低安装难度，同时较大程度地节约成本。
附图说明
现结合以下附图来进一步地说明本申请。
图1是所述双层直线交叉带分拣系统的总体结构示意图；
图2是所述驱动部件的结构示意图；
图3是所述第一主动盘组件的结构示意图；
图4是同步带与圆盘组件的配合结构示意图；
图5是所述张紧部件的结构示意图；
图6是分拣小车的结构示意图；
图7是小车下部框架组件的结构示意图；
图8是同步带结构示意图；
图9和图10是分拣小车从直轨道过渡至弯轨的示意图；
图11是分拣环线整体输送运行机构的示意图。
具体实施方式
实施例1，如图1所示，本申请双层直线交叉带分拣系统包括有，供件台1、分 拣环线2、平台3、格口滑槽4、扫描装置5。
其中，小件或包裹首先进入供件区域的供件台1，然后再从供件台1进入分拣环线2的分拣小车6，由控制系统将包裹匹配到指定的格口处，自动完成分拣动作。
所述的供件台1供件台设置有光栅或光电以检测货物外形，并反馈到PLC控制系统；同时，供件台1设计为带有动态称重功能，在输送过程中对包裹进行称重以收集货物数据，从而节约分拣时间、为后续精准分拣提供基础保障；
所述的平台3是用以支撑整体系统的框架结构，与分拣环线2相匹配的是，平台3设计为多层结构。
在分拣环线2的两侧设置有上、下两层格口滑槽4，以供运行至上层和下层的分拣小车6均可按分配格口进行货物分拣；
所述的分拣环线2沿垂向呈封闭环型、双层直线输送结构，其配置有扫描装置以拍照、识别货物的条码信息并反馈到PLC控制系统
分拣环线2包括有若干个沿单组队列连接的分拣小车6、由两端弯轨9和上下两层直轨道8通过相互内部焊接连接而成的两组双层轨道、以及中部支撑框架7、左侧支撑框架10、右侧支撑框架11、驱动部件12和张紧部件13；
其中，每一个分拣小车6按序同时运行于两组双层轨道上。每一个分拣小车6采用模块化设计，组装拆卸简单方便，整车轻巧。
中部支撑框架7、左侧支撑框架10与右侧支撑框架11均为双层结构，且底部分别与地脚固定件通过螺栓连接，以调节直轨道8与弯轨9安装后平面的对齐，并为上层、下层轨道提供安装支撑点。
驱动部件12和张紧部件13构成了分拣环线2的传动结构且分别位于环线两端。
如图2所示，所述的驱动部件12，其第一链轮15与电机14的输出轴连接，当电机14转动时带动第一链轮15转动；第一链轮15通过第一链条16与第二链轮17连接，第一链轮15转动带动第二链轮17转动；
在第一驱动轴18的一端固定连接有2个第二链轮17，其另一端固定连接有第三链轮19，当第二链轮17转动时，另一端的第三链轮19一起转动；
而第三链轮19通过第二链条22与第五链轮23连接，当第三链轮19转动时，则第五链轮23随着转动；同时固定在第一驱动轴18一端的另一个第二链轮17通过第三链条20与第四链轮21连接，所以第二链轮17转动则会带动第四链轮21转动；
第四链轮21通过第二驱动轴24与第一主动盘组件25连接，第五链轮23通过第三驱动轴26与第二主动盘组件27连接。当电机14转动时，经过前述的中间机构的传动则实现了第一主动盘组件25和第二主动盘组件27一起转动；
第一主动盘组件25和第二主动盘组件27的结构相同，但均为新型设计。具体地，
如图3所示，第一主动盘组件25由法兰轴28、第一圆板29、第二圆板30、螺栓31、尼龙隔套32等组成。其中，第一圆板29和第二圆板30沿着外圈均开有2圈固定孔，第一圆板29和第二圆板30的固定孔相对应，通过螺栓31将第一圆板29和第二圆板30进行固定连接。在螺栓31外面增加尼龙隔套32，以减少螺栓31与同步带齿形配合运动时的磨损而起到保护作用。
法兰轴28与第一圆板29、第二圆板30分别通过螺栓进行固定，其既与第二驱动轴24形成连接，又起到增加上述第一主动盘组件25结构强度的作用。
第二主动盘组件27的结构与上述第一主动盘组件25的相同，在此不做复述。
以上内容所述的驱动部件12采取链条传动形式，相应地在中部支撑框架7上安装有涨紧机构以用于调节链条的张紧。
如图5所示，所述的张紧部件13，其第一涨紧轴35通过第一轴承座34和第二轴承座36固定在右侧支撑框架11上，第一从动盘组件37与第一涨紧轴35连接。第一从动盘组件37的结构与第一主动盘组件25的结构相同，都是通过两固定圆板形成一定的节距，与同步带齿形配合运动。
第二涨紧轴39通过第三轴承座38和第四轴承座40固定在右侧支撑框架11上，第二从动盘组件38与第二涨紧轴39连接；
第一从动盘组件37、第二从动盘组件38的结构与第一主动盘组件25的结构相同，均是通过两固定圆板形成一定的节距，与同步带33的齿形配合运动。
通过前述结构，驱动部件12的第一主动圆盘组件25和张紧部件13的第一从动圆盘组件37，通过环形封闭的同步带33连接以形成分拣环线2整体的运动机构；驱动部件12的第二主动圆盘组件27和张紧部件13的第二从动圆盘组件38通过另一侧环形封闭的同步带33，形成分拣环线2整体的辅助运行机构，由此分拣环线2的整机传动机构就形成了。
如图3和图4所示，以同步带33与第一主动圆盘组件25的配合与连接结构为例，同步带33的齿槽501与圆盘组件的螺栓31和尼龙隔套32组成的销轴组件45配合。当圆盘组件转动时，同步带33的齿槽501会卡住销轴组件45，销轴组件45沿着运动路径逐渐地与同步带33的齿槽501匹配，则可同步地带动同步带33向前运行。
同时，同步带33的齿槽501还与第一从动盘组件37的圆盘组件配合，同步带33在两者共同带动下从分拣环线2一侧端向另一侧端往复运行，而若干个分拣小车6依序分别与同步带33通过轴孔205固定连接，实现了同步带33带动分拣小车6的 同步运行。
如图6所示，所述的分拣小车6，采取模块化整体结构设计而分为上部输送单元100和下部框架组件200两个部分。分拣小车6整体结构为模块化设计，上下结构简单、紧凑，整体轻便，安装省时省力，维护保养方便。
其中，上部输送单元100通过两侧的折弯侧板61和多组T型螺栓，固定连接于下部框架组件200的两组框架型材件612；折弯侧板61为整体两端折弯部件，上部折弯尺寸较小，下部折弯尺寸较大。
如图7和图8所示，下部框架组件200，其主要包括有左右两组机架610、两组走行轮组件611、两组框架型材件612、两组导向走行轮组件613。
其中，框架型材件612的各侧面上设置有沟槽201，沟槽201通过紧固件连接折弯侧板61的底部；
两组机架610与两组框架型材件612分别通过螺栓固定而组成框架整体，两组导向走行轮组件613沿该框架整体对称地分布，走行轮轴614连接于导向走行轮组件613。
导向走行轮组件613的一端与机架610固定采用前面相同的方式，但是其另一端的走行轮轴614起到导向作用，即伸出的轴部分主要为了便于和环线的同步带33进行连接。当将走行轮轴614插入到环线的同步带33的销孔205之后，伴随同步带33的运动，能够同步地带动包括导向走行轮组件613、机架610在内的下部框架组件200的运行。
每个机架10上面均连接有一组走行轮组件611、一组导向走行轮组件613。
机架610为U型型材结构，其底部焊接有两组导向轮，能够保证分拣小车6整体在轨道导向面上平稳地运行。
走行轮轴614插入到环线的同步带33的销孔205中，两者配合组装形成了小车环线。从而保证当左、右两组构成环线的同步带33运行时，分拣小车6能够与之同步运行。
即通过两组走行轮组件611、两组导向走行轮组件613运行于两侧环形双层轨道上的若干个分拣小车6，与左、右两组同步带33和两侧环形双层轨道共同组成本申请所述双层直线交叉带分拣系统的输送与分拣环线整体。
如图7所示，分拣小车6的一组2个走行轮组件611沿下部框架组件200呈中心对称地排列，同样地，一组2个导向走行轮组件613沿下部框架组件200呈水平中心对称地排列。走行轮组件611、导向走行轮组件613在两侧分别地与直轨道8、 弯轨9的轨道面接触。
如图2、图5和图9所示，沿单组队列分拣小车6两侧分布的双层轨道、以及驱动部件12与张紧部件13之间连接的同步带33，共同构成了分拣环线2的垂向、双层直线、闭环的输送机构。
从图中可以看出，本申请采取弯轨9与圆盘中心的错位设计。
具体地，第一主动盘组件25与同侧的弯轨9错位排列，同时第一主动盘组件25的垂向圆心与分拣小车6另一侧(第二主动盘组件27所在侧)弯轨9所在垂向圆的圆心重合；第二主动盘组件27与同侧的弯轨9错位排列，同时第二主动盘组件27的垂向圆心与分拣小车6另一侧(第一主动盘组件25所在侧)弯轨9所在垂向圆的圆心重合。
基于相同的原理，第一从动盘组件37与同侧的弯轨9错位排列，同时第一从动盘组件37的垂向圆心与分拣小车6另一侧(第二从动盘组件38)弯轨9所在垂向圆的圆心重合；第二从动盘组件38与同侧的弯轨9错位排列，同时第二从动盘组件38的垂向圆心与分拣小车6另一侧(第一从动盘组件37)弯轨9所在垂向圆的圆心重合。
结合图10和图11以及上述驱动部件12与张紧部件13、直轨道8与弯轨9的结构设计，
直轨道8在接近转弯轨9时进行端部的切角处理，以避免与圆盘组件干涉，一侧直轨道8与弯轨9之间断开，而另一侧直轨道8与弯轨9对接。分拣小车6的导向走行轮组件613在下部框架组件200两侧是分开错位分布的(呈水平中心对称)，走行轮轴614与同步带33连接。当小车6从直轨道8到弯轨9开始过渡运动时，小车6一侧的走行轮组件611从直轨道8过渡到弯轨9上，而另一侧走行轮组件611仍处在直轨道8上。由于弯轨9与圆盘中心的错位设计，保证了从直轨道8到弯轨9，再从弯轨9到下层的直轨道8，分拣小车6始终是处于水平状态，也就实现了上下层货物的供件和分拣。
综上内容，结合附图中给出的实施例仅是优选方案。对于所属领域技术人员来说可以据此得到启示，而直接推导出符合本发明设计构思的其他替代结构，也应属于本发明所述的方案范围。

Claims (7)

  1. 一种双层直线交叉带分拣系统，包括有供件台(1)、分拣环线(2)、平台(3)、格口滑槽(4)和扫描装置(5)，其特征在于：所述的分拣环线(2)沿垂向呈封闭环型、双层直线输送结构，并包括有若干个沿单组队列连接的分拣小车(6)、由两端弯轨(9)和上下两层直轨道(8)通过相互内部焊接连接而成的两组双层轨道、以及驱动部件(12)和张紧部件(13)；
    驱动部件(12)和张紧部件(13)构成分拣环线(2)的传动结构且分别位于环线两端；
    沿单组队列分拣小车(6)两侧分布的双层轨道、以及驱动部件(12)与张紧部件(13)之间连接的同步带(33)，共同构成了分拣环线(2)的垂向、双层直线、闭环的输送机构。
  2. 根据权利要求1所述的双层直线交叉带分拣系统，其特征在于：所述的驱动部件(12)具有从同一侧端缠绕并传动两组同步带(33)的第一主动盘组件(25)和第二主动盘组件(27)；
    所述的张紧部件(13)具有从同一侧端缠绕并传动两组同步带(33)的第一从动盘组件(37)和第二从动盘组件(38)；
    第一主动盘组件(25)与同侧的弯轨(9)错位排列，同时第一主动盘组件(25)的垂向圆心与分拣小车(6)另一侧弯轨(9)所在垂向圆的圆心重合；第二主动盘组件(27)与同侧的弯轨(9)错位排列，同时第二主动盘组件(27)的垂向圆心与分拣小车(6)另一侧弯轨(9)所在垂向圆的圆心重合；
    第一从动盘组件(37)与同侧的弯轨(9)错位排列，同时第一从动盘组件(37)的垂向圆心与分拣小车(6)另一侧弯轨(9)所在垂向圆的圆心重合；第二从动盘组件(38)与同侧的弯轨(9)错位排列，同时第二从动盘组件(38)的垂向圆心与分拣小车(6)另一侧弯轨(9)所在垂向圆的圆心重合。
  3. 根据权利要求2所述的双层直线交叉带分拣系统，其特征在于：所述的直轨道(8)在接近转弯轨(9)时进行端部的切角处理，一侧直轨道(8)与弯轨(9)之间断开，而另一侧直轨道(8)与弯轨(9)对接。
  4. 根据权利要求1、2或3所述的双层直线交叉带分拣系统，其特征在于：所述的驱动部件(12)，其第一链轮(15)与电机(14)的输出轴连接，第一链轮(15) 通过第一链条(16)与第二链轮(17)连接，在第一驱动轴(180的一端固定连接有2个第二链轮(17)，其另一端固定连接有第三链轮(19)；
    第三链轮(19)通过第二链条(22)与第五链轮(23)连接，固定在第一驱动轴(18)一端的另一个第二链轮(17)通过第三链条(20)与第四链轮(21)连接；
    第四链轮(21)通过第二驱动轴(24)与第一主动盘组件(25)连接，第五链轮(23)通过第三驱动轴(26)与第二主动盘组件(27)连接；
    第一主动盘组件(25)和第二主动盘组件(27)的结构相同；、
    所述的张紧部件(13)，其第一涨紧轴(35)通过第一轴承座(34)和第二轴承座(36)固定在右侧支撑框架(11)上，第一从动盘组件(37)与第一涨紧轴(35)连接；第一从动盘组件(37)与第一主动盘组件(25)的结构相同；
    第二涨紧轴(39)通过第三轴承座(38)和第四轴承座(40)固定在右侧支撑框架(11)上，第二从动盘组件(38)与第二涨紧轴(39)连接；
    第二从动盘组件(38)与第一主动盘组件(25)的结构相同。
  5. 根据权利要求4所述的双层直线交叉带分拣系统，其特征在于：所述的第一主动盘组件(25)，由法兰轴(28)、第一圆板(29)、第二圆板(30)、螺栓(31)、尼龙隔套(32)组成；第一圆板(29)和第二圆板(30)沿着外圈均开有2圈固定孔，第一圆板(29)和第二圆板(30)的固定孔相对应，通过螺栓(31)将第一圆板(29)和第二圆板(30)进行固定并与第二驱动轴24形成连接，在螺栓(31)外面增加尼龙隔套(32)。
  6. 根据权利要求5所述的双层直线交叉带分拣系统，其特征在于：所述的同步带(33)的齿槽(501)与圆盘组件的螺栓(31)、尼龙隔套(32)组成的销轴组件(45)配合。
  7. 根据权利要求1、2或3所述的双层直线交叉带分拣系统，其特征在于：所述的分拣小车(6)具有模块化结构并连接的上部输送单元(100)和下部框架组件(200)；
    所述的下部框架组件(200)，包括框架型材件(612)和机架(610)，机架(610)固定连接有走行轮组件(611)和导向走行轮组件(613)；
    两组导向走行轮组件(613)沿下部框架组件(200)水平中心对称地分布，走行轮轴(614)连接于导向走行轮组件(613)；
    走行轮轴(614)插入到环线的同步带(33)的销孔(205)中。
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